Bentley was born with situs inversus with levocardia, a very rare medical condition, where organs are located on the opposite side of the body. The condition is not only rare, but the chances of survival are low. The affliction only occurs in 1 out of 10,000-20,000 births. Bentley not only never succumbed to her condition, but she also lived to be 99 years old. She was also a very active person. She swam, fished, sang in the choir, and raised a large loving family. Learn more about this remarkable woman with 25 Unusual Facts About Rose Marie Bentley: A Medical Mystery.